Philips L04HU Service Manual page 67

Circuit Descriptions, List of Abbreviations, and IC Data Sheets
9.2.2
Timing Diagrams
Power ON - To Standby - Out of Standby - Power OFF
Power ON
3, 3.3, 6V
POWER_DOWN
STDBY
+1V8 EXT.
Stdby_con
Vbat, Vaudio
STB bit
VT_supply
+5V
PIP Supplies
B
Relay status
200ms
1s(ref)
Power ON - To Semi Standby - Out of Semi Standby -
Power OFF
Power O N
Normal
3, 3.3, 6V
STDBY
+1V8 ext
Stdby_con
Vbat, Vaudio
STB bit
VT_supply
+5V
PIP Supplies
B
Relay status
200ms
1s(ref)
To Standby
Normal
10mS
Closed
2s(ref) 100ms(ref)
Figure 9-2 Timing diagram Standby
To Semi Standby
10mS
Closed
2s(ref)
Figure 9-3 Timing diagram Semi Standby
Out of Standby
Standby mode
Open
2s(ref)
800ms 200ms
Out of Semi Standby
Semi Standby
Open
800ms
L04HU AA 9.
Power off
Perform hard-reset
Normal
20ms(ref)
10ms(ref 10ms(ref)
E_14480_073.eps
Power OFF
under star t _up
Perform
Normal
sequence for details.
Hard-reset
20ms (ref) 10ms(ref)
EN 67
200204
10ms(ref)
E_14480_074.eps
200204